45x - 315 = 450 find x
(20๐
10 + 10๐
7 โ 15๐
5 โ 7๐
2): 5๐
2 =
1000ร100
analysis of example of iron ore gave the following percentage value for the iron content 7.08, 7.21,7.12, 7.09, 7.16, 7.14, 7.07,...
(x-2)(x-3)(x-4)
(x-2)(x-3)(x-5)
(x-2)(x-4)(x-5)
(x-3)(x-4)(x-5)
consider the inequality 2x+4/5 > x/5 + 1
